최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0847577 (1977-11-01) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 7 인용 특허 : 0 |
An emergency roof drain for floating roof storage tanks includes a siphon carried by the roof with an intake end above the roof and an outlet end below the roof. The siphon is normally closed by a valve and a valve operator is connected to open the valve in response to a predetermined emergency wate
An emergency roof drain for floating roof storage tank, comprising: a siphon attached to a floating roof for drawing water off of a floating roof, said siphon having an inlet end spaced from and disposed above the upper surface of the roof so that water on the roof moves upwardly from the roof into
※ AI-Helper는 부적절한 답변을 할 수 있습니다.